A currated list of the Catholic Church's teaching regarding the Covid-19 Vaccine and the use of Vaccines derived from Aborted Stem Cell Lines, which you can study for your own personal formation.
Archbishop Paul S. Coakley Recent Article
Published in the Sooner Catholic Pertaining on one's freedom in relation to the current Covid-19 Mandates: https://www.archokc.org/news/where-is-the-line-between-may-and-must
2020 Congregation of the Doctrine of the Faith
Statement on the liceity on the usage of Covid-19 Vaccines, and also one's ability to freely decline in good conscious: